� Character Error in WordPress

Different (special) characters showing on all pages and posts even navigation. Lately i have noticed some character showing in my WordPress website design blog. These characters are appearing when the ” , ‘ and space character is used

I have installed some plugins in the hope of speeding up the website. But to my dismay it has not worked and left all these little guys(basically everywhere).

After reading up on solutions i realised that the plugin has changed my wp-config page see below for a sample
In my wp-config there was characters at the start of every line an upside down question mark ¿
This was then translated to � on the front end or my live website.

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Pinguis Web Design have build both my website. My business is based on results and we are definitely getting them. James has given me updates throughout the design process. A great service from a easy to talk to designer.